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Finding the Fourth Proportional to 296,319.40, 444,479.10 and 74,703.40

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Solution

The fourth proportional to 296,319.40, 444,479.10 and 74,703.40 is: 112,055.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,319.40 : 444,479.10 = 74,703.40 : x
  2. Step 2: Convert to fraction form
    296,319.40/444,479.10 = 74,703.40/x
  3. Step 3: Cross multiply
    296,319.40x = 444,479.10 × 74,703.40
  4. Step 4: Simplify right side
    296,319.40x = 33,204,099,998.94
  5. Step 5: Solve for x
    x = 33,204,099,998.94/296,319.40
  6. Step 6: Final answer
    x = 112,055.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.